[INFO] fetching crate peekmore 1.0.0...
[INFO] testing peekmore-1.0.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate peekmore 1.0.0 into /workspace/builds/worker-69/source
[INFO] validating manifest of crates.io crate peekmore 1.0.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate peekmore 1.0.0
[INFO] finished tweaking crates.io crate peekmore 1.0.0
[INFO] tweaked toml for crates.io crate peekmore 1.0.0 written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7facb40c30ae987847f1eff6b389801e3e79001c32d9fb43cb6d2a808445431
[INFO] running `Command { std: "docker" "start" "-a" "b7facb40c30ae987847f1eff6b389801e3e79001c32d9fb43cb6d2a808445431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7facb40c30ae987847f1eff6b389801e3e79001c32d9fb43cb6d2a808445431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7facb40c30ae987847f1eff6b389801e3e79001c32d9fb43cb6d2a808445431", kill_on_drop: false }`
[INFO] [stdout] b7facb40c30ae987847f1eff6b389801e3e79001c32d9fb43cb6d2a808445431
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afb894139bf8231b060ec1d508bfa4c35e8b5838f7e6ca5bfd8e5e469024c93e
[INFO] running `Command { std: "docker" "start" "-a" "afb894139bf8231b060ec1d508bfa4c35e8b5838f7e6ca5bfd8e5e469024c93e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling peekmore v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "afb894139bf8231b060ec1d508bfa4c35e8b5838f7e6ca5bfd8e5e469024c93e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afb894139bf8231b060ec1d508bfa4c35e8b5838f7e6ca5bfd8e5e469024c93e", kill_on_drop: false }`
[INFO] [stdout] afb894139bf8231b060ec1d508bfa4c35e8b5838f7e6ca5bfd8e5e469024c93e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f2604b885854525bcedb2e9cf53a3429dc080e378e75ef42e970c793f1a75e7
[INFO] running `Command { std: "docker" "start" "-a" "0f2604b885854525bcedb2e9cf53a3429dc080e378e75ef42e970c793f1a75e7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling semver v1.0.6
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling peekmore v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 21.56s
[INFO] running `Command { std: "docker" "inspect" "0f2604b885854525bcedb2e9cf53a3429dc080e378e75ef42e970c793f1a75e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f2604b885854525bcedb2e9cf53a3429dc080e378e75ef42e970c793f1a75e7", kill_on_drop: false }`
[INFO] [stdout] 0f2604b885854525bcedb2e9cf53a3429dc080e378e75ef42e970c793f1a75e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2aaf4cd1677f4498b2328966cad14413053ffc16b9c7ff315ffef6aee7733eee
[INFO] running `Command { std: "docker" "start" "-a" "2aaf4cd1677f4498b2328966cad14413053ffc16b9c7ff315ffef6aee7733eee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/peekmore-b84f958a47abd235)
[INFO] [stdout] 
[INFO] [stdout] running 54 tests
[INFO] [stdout] test tests::check_advance_chain ... ok
[INFO] [stdout] test tests::check_advance_separately ... ok
[INFO] [stdout] test tests::check_move_backward ... ok
[INFO] [stdout] test tests::check_move_backward_beyond_consumed_verify_cursor_position ... ok
[INFO] [stdout] test tests::check_move_backward_or_reset ... ok
[INFO] [stdout] test tests::check_move_backward_or_reset_beyond_consumed_verify_cursor_position ... ok
[INFO] [stdout] test tests::check_move_backward_or_reset_empty ... ok
[INFO] [stdout] test tests::check_move_forward ... ok
[INFO] [stdout] test tests::check_move_forward_while ... ok
[INFO] [stdout] test tests::check_move_forward_while_empty ... ok
[INFO] [stdout] test tests::check_move_forward_while_some ... ok
[INFO] [stdout] test tests::check_move_nth ... ok
[INFO] [stdout] test tests::check_move_nth_empty ... ok
[INFO] [stdout] test tests::check_peek_backward ... ok
[INFO] [stdout] test tests::check_move_previous ... ok
[INFO] [stdout] test tests::check_peek_backward_beyond_consumed_verify_cursor_position ... ok
[INFO] [stdout] test tests::check_peek_backward_or_first_beyond_consumed_verify_cursor_position ... ok
[INFO] [stdout] test tests::check_peek_forward ... ok
[INFO] [stdout] test tests::check_peek_backward_or_first_empty ... ok
[INFO] [stdout] test tests::check_peek_nth ... ok
[INFO] [stdout] test tests::check_peek_nth_empty ... ok
[INFO] [stdout] test tests::check_peek_window_moves_with_consume ... ok
[INFO] [stdout] test tests::empty ... ok
[INFO] [stdout] test tests::peek_amount_empty ... ok
[INFO] [stdout] test tests::peek_amount_from_start_bigger_than_input_len ... ok
[INFO] [stdout] test tests::peek_amount_from_start_eq_to_input_len ... ok
[INFO] [stdout] test tests::peek_amount_from_start_smaller_than_input_len ... ok
[INFO] [stdout] test tests::peek_amount_match ... ok
[INFO] [stdout] test tests::peek_amount_renewed_view ... ok
[INFO] [stdout] test tests::peek_amount_zero ... ok
[INFO] [stdout] test tests::peek_forward_with_reassignment ... ok
[INFO] [stdout] test tests::peek_forward_without_reassignment_advance_and_peek_combined ... ok
[INFO] [stdout] test tests::peek_forward_without_reassignment_advance_and_peek_combined_and_reset_view ... ok
[INFO] [stdout] test tests::peek_forward_without_reassignment_separately_advance_and_peek ... ok
[INFO] [stdout] test tests::peek_previous ... ok
[INFO] [stdout] test tests::peek_previous_beyond_none ... ok
[INFO] [stdout] test tests::peek_range_empty ... ok
[INFO] [stdout] test tests::peek_range_from_middle ... ok
[INFO] [stdout] test tests::peek_range_from_start_bigger_than_input_len ... ok
[INFO] [stdout] test tests::peek_range_from_start_eq_to_input_len ... ok
[INFO] [stdout] test tests::peek_range_from_start_smaller_than_input_len ... ok
[INFO] [stdout] test tests::peek_range_match ... ok
[INFO] [stdout] test tests::peek_range_out_of_bounds ... ok
[INFO] [stdout] test tests::readme_example ... ok
[INFO] [stdout] test tests::test_with_consume ... ok
[INFO] [stdout] test tests::test_with_consume_and_reset ... ok
[INFO] [stdout] test tests::test_with_inherited_feature_count ... ok
[INFO] [stdout] test tests::truncate_iterator_to_cursor_is_noop_when_queue_is_empty_from_iteration ... ok
[INFO] [stdout] test tests::truncate_iterator_to_cursor_is_noop_when_queue_is_empty_from_no_peeking ... ok
[INFO] [stdout] test tests::truncate_to_iterator_cursor_and_queue_equal_length ... ok
[INFO] [stdout] test tests::truncate_to_iterator_fill_queue ... ok
[INFO] [stdout] test tests::truncate_to_iterator_on_single_element_collection ... ok
[INFO] [stdout] test tests::truncate_to_iterator_on_empty_collection ... ok
[INFO] [stdout] test tests::peek_range_panic_on_invalid_range - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 54 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests peekmore
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek (line 241) ... ok
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek (line 291) ... ok
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek (line 203) ... ok
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek (line 316) ... ok
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek (line 349) ... ok
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek_range (line 676) ... ok
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek_amount (line 730) ... ok
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek (line 262) ... ok
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::truncate_iterator_to_cursor (line 625) ... ok
[INFO] [stdout] test src/lib.rs - PeekMoreIterator<I>::peek (line 221) ... ok
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2aaf4cd1677f4498b2328966cad14413053ffc16b9c7ff315ffef6aee7733eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aaf4cd1677f4498b2328966cad14413053ffc16b9c7ff315ffef6aee7733eee", kill_on_drop: false }`
[INFO] [stdout] 2aaf4cd1677f4498b2328966cad14413053ffc16b9c7ff315ffef6aee7733eee